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Slowing cargo ships cuts pollution near ports by more than half, study finds. http://apocadocs.com/s.pl?1353345580
Slowing cargo vessels near coastlines by 10 to 15 miles per hour could dramatically cut ships' air pollution, according to a new study. But only a few U.S. ports have initiated such efforts. A speed limit of 14 mph, down from the current cruising speeds of 25 to 29 mph, would cut nitrogen oxides -- a main ingredient of smog -- by 55 percent and soot by almost 70 percent. It also would reduce carbon dioxide -- a potent greenhouse gas and key contributor to climate change -- by 60 percent. With 100,000 ships carrying 90 percent of the world's cargo, air pollution is a heavy burden for people living near ports, so slowing ships could improve their health, researchers say.
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[Read more stories about:
airborne pollutants, anthropogenic change, carbon emissions, health impacts]
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